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Windows help and learning
Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Activate Microsoft 365 or Office. To open an app, select the Start button (lower-left corner of your screen) and type the name of an app, like Word. If you have Windows 8.1 or 8.0, type the name of an Microsoft 365 app on the Start screen.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Change the email address or phone number for your Microsoft account
You can create either a new Outlook.com email address or add an address that you already have. Then, select Add alias. After you’re returned to the previous screen, select Verify, and then follow the instructions that are provided. Or, select Add phone number.
| Xbox Support
如果在电脑上安装或更新游戏服务时遇到问题,或者你注意到电脑版 Xbox 应用启动时缺少内容,则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下,你可能无法运行游戏服务修复工具,除非你在电脑上以本地管理员身份登录。. 当 Windows ...
退 | Xbox Support
這些數位遊戲購買的退款條款涵蓋 Microsoft Store 的數位遊戲方案、Xbox 應用程式 (不含電影和電視應用程式)、數位化的遊戲搭售方案,以及數位耐久性和消耗性的遊戲方案, 無論是透過 Xbox 主機裝置或僅限於您的電腦提供 (統稱「數位遊戲產品」) 提供,例如遊戲季 ...
Account has been locked - Microsoft Support
Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.
Устранение неисправностей Bluetooth-подключений в Windows
Если при подключении к устройству Bluetooth вы столкнулись с проблемой, ознакомьтесь с описанными ниже способами устранения неполадок. Примечание: Общие сведения о подключении устройства ...
0x80a4001a | Xbox Support
解决方案:从主机中删除你的帐户. 转到“系统”>“设置”>“账户”>“删除账户”。. 选择要删除的帐户,然后选择“删除”。. 选择“登录”,然后再次添加你的帐户并输入密码。. 选择“ 无障碍 ”或“ 询问我的 PIN ”。. 注意 如果你选择“ 锁定 ”,则可能 ...
Microsoft Authenticator FAQs - Microsoft Support
If you're having trouble getting your verification code for your personal Microsoft account, see Troubleshooting verification code issues. If your question wasn't answered here, we want to hear from you. Post your question to the Microsoft Authenticator forum to get help from the community.